Abstract 1. IN A CARBURETOR FOR A GASEOUS FUEL ENGINE AND THE LIKE; THE COMBINATION OF: A CARBURETOR BODY; A VENTURI FORMED IN SAID BODY HAVING AN AIR INLET, AN INTERMEDIATE THROAT AND AN AIR-FUEL OUTLET; BUTTERFLY VALVE MEANS IN SAID VENTURI AIR-FUEL OUTLET SELECTIVELY OPERABLE BETWEEN CLOSED AND VARIOUS OPEN POSITIONS FOR SUPPLYING AN AIR-FUEL MIXTURE TO AN ENGINE; FUEL NOZZLE MEANS AT SAID VENTURI THROAT FOR DIRECTING FUEL INTO SAID VENTURI; GASEOUS FUEL INLET MEANS FOR SUPPLYING FUEL TO SAID BODY; PARTITION MEANS IN SAID BODY HAVING A MAIN FUEL ORIFICE OF DETERMINED SIZE THERETHOUGH AND AN AUXILIARY FUEL ORIFICE OF DETERMINED SIZE THERETHROUGH; FUEL DIRECTING MEANS OPERABLY CONNECTING SAID GASEOUS FUEL INLET MEANS TO SAID MAIN FUEL ORIFICE AND TO SAID AUXILIARY FUEL ORIFICE AND FROM SAID ORIFICES TO SAID FUEL NOZZLE MEANS OF SAID VENTURI, SAID FUEL DIRECTING MEANS INCLUDING AN INLET FUEL METERING CHAMBER HAVING A WALL THEREOF FORMED BU SAID PARITITION MEANS WITH SAID MAIN AND AUXILIARY FUEL ORIFICES OPENING INTO SAID CHAMBER FOR RECEIVING FUEL FLOW THEREFROM, VACUUM ACTUATED CONTROL VALVE MEANS OPERABLY CONNECTED FOR SENSING ENGINE MANIFOLD VACUUM AND HAVING A VALVE MEMBER MOV- ABLE BETWEEN A CLOSED POSITION CLOSING SAID AUXILIARY FUEL ORIFICE UPON VACUUM ABOVE A DETERMINED LEVEL BEING SENSED AND AN OPEN POSITION OPENING SAID AUXILIARY FUEL ORIFICE UPON SAID VACUUM BEING SENSED DROPPING BELOW SAID DETERMINED LEVEL.
IN A CARBURETOR FOR A GASEOUS FUEL ENGINE AND THE LIKE; THE COMBINATION OF: A CARBURETOR BODY; A VENTURI FORMED IN SAID BODY HAVING AN AIR INLET, AN INTERMEDIATE THROAT AND AN AIR-FUEL OUTLET; BUTTERFLY VALVE MEANS IN SAID VENTURI AIR-FUEL OUTLET SELECTIVELY OPERABLE BETWEEN CLOSED AND VARIOUS OPEN POSITIONS FOR SUPPLYING AN AIR-FUEL MIXTURE TO AN ENGINE; FUEL NOZZLE MEANS AT SAID VENTURI THROAT FOR DIRECTING FUEL INTO SAID VENTURI; GASEOUS FUEL INLET MEANS FOR SUPPLYING FUEL TO SAID BODY; PARTITION MEANS IN SAID BODY HAVING A MAIN FUEL ORIFICE OF DETERMINED SIZE THERETHOUGH AND AN AUXILIARY FUEL ORIFICE OF DETERMINED SIZE THERETHROUGH; FUEL DIRECTING MEANS OPERABLY CONNECTING SAID GASEOUS FUEL INLET MEANS TO SAID MAIN FUEL ORIFICE AND TO SAID AUXILIARY FUEL ORIFICE AND FROM SAID ORIFICES TO SAID FUEL NOZZLE MEANS OF SAID VENTURI, SAID FUEL DIRECTING MEANS INCLUDING AN INLET FUEL METERING CHAMBER HAVING A WALL THEREOF FORMED BU SAID PARITITION MEANS WITH SAID MAIN AND AUXILIARY FUEL ORIFICES OPENING INTO SAID CHAMBER FOR RECEIVING FUEL FLOW THEREFROM, VACUUM ACTUATED CONTROL VALVE MEANS OPERABLY CONNECTED FOR SENSING ENGINE MANIFOLD VACUUM AND HAVING A VALVE MEMBER MOV-
Claim 2
Dependent Claim
190 words
IN A CARBURETOR FOR A GASEOUS FUEL ENGINE AND THE LIKE; THE COMBINATION OF: A CARBURETOR BODY; A VENTURI FORMED IN SAID BODY HAVING AN AIR INLET, AN INTERMEDIATE THROAT AND AN AIR-FUEL OUTLET; BUTTERFLY VALVE MEANS IN SAID VENTURI AIR-FUEL OUTLET SELECTIVELY OPERABLE BETWEEN CLOSED AND VARIOUS OPEN POSITIONS FOR SUPPLYING AN AIR-FUEL MIXTURE TO AN ENGINE; FUEL NOZZLE MEANS AT SAID VENTURI THROAT FOR DIRECTING FUEL INTO SAID VENTURI; GASEOUS FUEL INLET MEANS FOR SUPPLYING FUEL TO SAID BODY; PARTITION MEANS IN SAID BODY HAVING A MAIN FUEL ORIFICE OF DETERMINED SIZE THERETHOUGH AND AN AUXILIARY FUEL ORIFICE OF DETERMINED SIZE THERETHROUGH; FUEL DIRECTING MEANS OPERABLY CONNECTING SAID GASEOUS FUEL INLET MEANS TO SAID MAIN FUEL ORIFICE AND TO SAID AUXILIARY FUEL ORIFICE AND FROM SAID ORIFICES TO SAID FUEL NOZZLE MEANS OF SAID VENTURI, SAID FUEL DIRECTING MEANS INCLUDING AN INLET FUEL METERING CHAMBER HAVING A WALL THEREOF FORMED BU SAID PARITITION MEANS WITH SAID MAIN AND AUXILIARY FUEL ORIFICES OPENING INTO SAID CHAMBER FOR RECEIVING FUEL FLOW THEREFROM, VACUUM ACTUATED CONTROL VALVE MEANS OPERABLY CONNECTED FOR SENSING ENGINE MANIFOLD VACUUM AND HAVING A VALVE MEMBER MOV-